Home / 4,947.32-7,357.29-4,791.56

Finding the Fourth Proportional to 4,947.32, 7,357.29 and 4,791.56

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Solution

The fourth proportional to 4,947.32, 7,357.29 and 4,791.56 is: 7,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.32 : 7,357.29 = 4,791.56 : x
  2. Step 2: Convert to fraction form
    4,947.32/7,357.29 = 4,791.56/x
  3. Step 3: Cross multiply
    4,947.32x = 7,357.29 × 4,791.56
  4. Step 4: Simplify right side
    4,947.32x = 35,252,896.47
  5. Step 5: Solve for x
    x = 35,252,896.47/4,947.32
  6. Step 6: Final answer
    x = 7,125.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.